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双折射材料的温度修正 Birefringent Material Temperature Modification kmF@u@5M r2xIbZ 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: ^@n?& bZzB\FB~ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline LIMPW w g Qj',&b 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline tG(!d$^ T!Eyq,] 3.Loop over the baseline material samples and determine the number of wavelength entries /.%AE|0+X J^<}fRw 4.Loop over each sampled wavelength entry in the baseline material nkTu/)or !p|d[ a.Modify the ordinary and extraordinary refractive index values using (2) above ;*409P 72{Ce7J4 b.Apply the modified values to the non-baseline material 0l>4Umxr{J `\5u/i'Ca! 5.Set a description on the non-baseline material indicating the temperature change from baseline t7qY!S ( 1wM~),B8 脚本编程及GUI例程请下载链接: A1V^Gi@i }2~$"L,_ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ]Geg;[t FJ(}@U}57 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd
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